diff --git a/mamweb/static/css/mamweb.css b/mamweb/static/css/mamweb.css
index dc942cc2..a9621bc5 100644
--- a/mamweb/static/css/mamweb.css
+++ b/mamweb/static/css/mamweb.css
@@ -7,6 +7,7 @@ font-weight: normal;
 body {
 	font-family: 'OpenSans';
 	background-color: #fffbf6;
+	min-height: 100%;
 }
 
 div.container {
@@ -296,7 +297,7 @@ ul.submenu {
 
 ul.submenu {
 	background-color: #e84e10;
-	z-index: 5;
+	z-index: 50;
 	font-weight: 400;
 }
 
@@ -439,6 +440,10 @@ ul.submenu {
 	ul.submenu {
 		margin-top: 8px; /* mezera mezi hlavním menu a submenu */
 	}
+
+	a.ref-org-foto {
+		pointer-events: none;
+	}
 }
 
 /* malý tablet, mobil */
@@ -564,6 +569,7 @@ ul.submenu {
 		display: block;
 	}
 
+
 	/*patička mobil*/
 
 	#footer {
@@ -947,3 +953,39 @@ p.gdpr {
 div.gdpr {
 	font-size: 6pt;
 }
+
+/* přihláška a další formuláře */
+
+table.form td, table.form tr {
+	table-layout: fixed;
+	word-wrap: break-word;
+	padding: 5px;
+}
+
+.field-with-comment{
+  position:relative;
+}
+
+.field-comment{
+	display:none;
+	text-shadow: 0 1px 0 #fff;
+	background-color: #f0f0f0 ;
+	border-color: #dbdbdb;
+  position:absolute;
+  z-index:100;
+  border:1px;
+  border-style:solid;
+  border-width:1px;
+	border-radius: 5px;
+  padding:3px;
+  top:20px;
+  left:20px;
+}
+
+.field-with-comment:hover span.field-comment{
+  display:block;
+}
+
+input {
+	margin: 5px;
+}
diff --git a/seminar/tests.py b/seminar/old_tests.py
similarity index 100%
rename from seminar/tests.py
rename to seminar/old_tests.py
diff --git a/seminar/templates/seminar/cojemam/organizatori.html b/seminar/templates/seminar/cojemam/organizatori.html
index a3957101..5b147aa5 100644
--- a/seminar/templates/seminar/cojemam/organizatori.html
+++ b/seminar/templates/seminar/cojemam/organizatori.html
@@ -53,7 +53,7 @@
 
     <div class="flip-card-foto">
     {% if org.osoba.foto %}
-      <a href="{{org.osoba.foto.url}}"><img src="{{org.osoba.foto_male.url}}" height="{{org.osoba.foto_male.height}}" alt="{{org.osoba.jmeno}} {{org.osoba.prijmeni}}"></a>
+      <a href="{{org.osoba.foto.url}}" class="ref-org-foto"><img src="{{org.osoba.foto_male.url}}" height="{{org.osoba.foto_male.height}}" alt="{{org.osoba.jmeno}} {{org.osoba.prijmeni}}"></a>
     {% else %} {# pokud osoba nemá fotku, zobrazuje se defaultní obrázek #}
       {% load static %} <img src="{% static 'images/no-photo.png' %}" height=200px alt="{{org.osoba.jmeno}} {{org.osoba.prijmeni}}">
     {% endif %}
diff --git a/seminar/templates/seminar/login.html b/seminar/templates/seminar/login.html
index 9769a41a..0263b9a6 100644
--- a/seminar/templates/seminar/login.html
+++ b/seminar/templates/seminar/login.html
@@ -18,8 +18,18 @@
     <input type="submit" value="Přihlásit">
 </form>
 
-<a href="{% url 'reset_password' %}">Zapomněl jsem heslo</a><br>
-<a href="{% url 'seminar_prihlaska' %}">Zaregistrovat</a><br>
+<form action="{% url 'reset_password' %}">
+    <input type="submit" value="Zapomněl jsem heslo" />
+</form>
 
+<hr>
+
+<h2>
+    Ješte nejste zaregistrováni?
+</h2>
+
+<form action="{% url 'seminar_prihlaska' %}">
+    <input type="submit" value="Registrovat" />
+</form>
 
 {% endblock %}
diff --git a/seminar/templates/seminar/nahraj_reseni.html b/seminar/templates/seminar/nahraj_reseni.html
index 7e3d1e72..d95f8567 100644
--- a/seminar/templates/seminar/nahraj_reseni.html
+++ b/seminar/templates/seminar/nahraj_reseni.html
@@ -14,31 +14,39 @@
 </h1>
 <form enctype="multipart/form-data" action="{% url 'seminar_nahraj_reseni' %}" method="post">
   {% csrf_token %}
-{{form}}
-{{prilohy.management_form}}
+{{ form }}
+{{ prilohy.management_form }}
+
+
+<h4>Přilohy s řešením</h4>
+
 <div id="form_set">
 {% for form in prilohy.forms %}
 	<div class="attachment">
-	{{form.non_field_errors}}
-	{{form.errors}}
+	{{ form.non_field_errors }}
+	{{ form.errors }}
         <table class='no_error'>
             {{ form }}
         </table>
-	<input type="button" value="Odebrat" class="remove_attachment" id="{{form.prefix}}-jsremove">
+	<input type="button" value="Odebrat přílohu" class="remove_attachment" id="{{form.prefix}}-jsremove">
 	</div>
 {% endfor %}
 </div>
+
 <input type="button" value="Přidat přílohu" id="add_attachment">
+
 <div id="empty_form" style="display:none">
 	<div class="attachment">
         <table class='no_error'>
             {{ prilohy.empty_form }}
         </table>
-	<input type="button" value="Odebrat" class="remove_attachment" id="id_prilohy-__prefix__-jsremove">
+	<input type="button" value="Odebrat přílohu" class="remove_attachment" id="id_prilohy-__prefix__-jsremove">
 	</div>
-
 </div>
-    <input type="submit" value="Odevzdat">
+
+<hr>
+<h4>Odevzdat má řešení</h4>
+<input type="submit" value="Odevzdat">
 </form>
 
 {% endblock %}
diff --git a/seminar/templates/seminar/prihlaska_field.html b/seminar/templates/seminar/prihlaska_field.html
index 04ecf145..8344a683 100644
--- a/seminar/templates/seminar/prihlaska_field.html
+++ b/seminar/templates/seminar/prihlaska_field.html
@@ -4,17 +4,14 @@
     <label class="field-label{% if field.field.required %} field-required{% endif %}" for="{{ field.id_for_label }}">
       {{ field.label }}:
     </label>
+
   </td>
-  <td>
+  <td {% if field.help_text %} class="field-with-comment"{% endif %}>
     {{ field }}
+    <span class="field-comment">{{ field.help_text|safe }}
   </td>
 </tr>
 
-{% if field.help_text %}
-<tr>
-  <td colspan="2"><span class="field-helptext">{{ field.help_text|safe }}</span></td>
-</tr>
-{% endif %}
 
 {% if field.errors %}
 <tr>
diff --git a/seminar/tests_treelib.py b/seminar/tests_treelib.py
new file mode 100644
index 00000000..3245d0a6
--- /dev/null
+++ b/seminar/tests_treelib.py
@@ -0,0 +1,40 @@
+from django.test import TestCase
+import seminar.treelib as tl
+import seminar.models as m
+
+class SimpleTreeLibTests(TestCase):
+	def setUp(self):
+		# Vyrobíme pár nějakých Nodů
+		self.root = m.CastNode(root=None, first_child=None, succ=None, nadpis="Root")
+		self.root.save()
+		self.some_node = m.CastNode(root=self.root, first_child=None, succ=None, nadpis="Přetržené")
+		self.other_node = m.CastNode(root=self.root, first_child=None, succ=None, nadpis="Dítě")
+		self.some_orphan = m.CastNode(root=None, first_child=None, succ=None, nadpis="Ošklivé")
+		self.other_orphan = m.CastNode(root=None, first_child=None, succ=None, nadpis="Káčátko")
+		
+		# Trochu je pospojujeme
+		self.root.first_child = self.some_node
+		self.some_node.succ = self.other_node
+		self.some_orphan.first_child = self.other_orphan
+
+		# Všechno uložíme
+		self.other_node.save()
+		self.some_node.save()
+		self.other_orphan.save()
+		self.some_orphan.save()
+		self.root.save()
+	
+	def test_safe_functions(self):
+		# safe_pred
+		self.assertEqual(tl.safe_pred(self.other_node), self.some_node)
+		self.assertIsNone(tl.safe_pred(self.root))
+		self.assertIsNone(tl.safe_pred(self.some_node))
+		self.assertIsNone(tl.safe_pred(self.some_orphan))
+		self.assertIsNone(tl.safe_pred(self.other_orphan))
+
+		# safe_father_of_first
+		self.assertIsNone(tl.safe_father_of_first(self.root))
+		self.assertEqual(tl.safe_father_of_first(self.some_node), self.root)
+		self.assertEqual(tl.safe_father_of_first(self.other_node), self.root)
+		self.assertIsNone(tl.safe_father_of_first(self.some_orphan))
+		self.assertEqual(tl.safe_father_of_first(self.other_orphan), self.some_orphan)
diff --git a/seminar/testutils.py b/seminar/testutils.py
index 18319546..3c4356a2 100644
--- a/seminar/testutils.py
+++ b/seminar/testutils.py
@@ -78,7 +78,7 @@ def gen_osoby(rnd, size):
 						rnd.randint(1, 28))
 		ulic = rnd.choice(seznam_ulic)
 		cp = rnd.randint(1, 99)
-		ulice = "".join([ulic, str(cp)])
+		ulice = " ".join([ulic, str(cp)])
 		mesto = rnd.choice(seznam_mest)
 		psc = "".join([str(rnd.choice([k for k in range(10)])) for i in range(5)])
 
diff --git a/seminar/views/unicodecsv.py b/seminar/views/unicodecsv.py
deleted file mode 100644
index 4c38f6b5..00000000
--- a/seminar/views/unicodecsv.py
+++ /dev/null
@@ -1,62 +0,0 @@
-import csv, codecs
-from io import StringIO
-
-class UTF8Recoder:
-    """
-    Iterator that reads an encoded stream and reencodes the input to UTF-8
-    """
-    def __init__(self, f, encoding):
-        self.reader = codecs.getreader(encoding)(f)
-
-    def __iter__(self):
-        return self
-
-    def next(self):
-        return self.reader.next().encode("utf-8")
-
-class UnicodeReader:
-    """
-    A CSV reader which will iterate over lines in the CSV file "f",
-    which is encoded in the given encoding.
-    """
-
-    def __init__(self, f, dialect=csv.excel, encoding="utf-8", **kwds):
-        f = UTF8Recoder(f, encoding)
-        self.reader = csv.reader(f, dialect=dialect, **kwds)
-
-    def next(self):
-        row = self.reader.next()
-        return [unicode(s, "utf-8") for s in row]
-
-    def __iter__(self):
-        return self
-
-class UnicodeWriter:
-    """
-    A CSV writer which will write rows to CSV file "f",
-    which is encoded in the given encoding.
-    """
-
-    def __init__(self, f, dialect=csv.excel, encoding="utf-8", **kwds):
-        # Redirect output to a queue
-        self.queue = cStringIO.StringIO()
-        self.writer = csv.writer(self.queue, dialect=dialect, **kwds)
-        self.stream = f
-        self.encoder = codecs.getincrementalencoder(encoding)()
-
-    def writerow(self, row):
-        self.writer.writerow([s.encode("utf-8") for s in row])
-        # Fetch UTF-8 output from the queue ...
-        data = self.queue.getvalue()
-        data = data.decode("utf-8")
-        # ... and reencode it into the target encoding
-        data = self.encoder.encode(data)
-        # write to the target stream
-        self.stream.write(data)
-        # empty queue
-        self.queue.truncate(0)
-
-    def writerows(self, rows):
-        for row in rows:
-            self.writerow(row)
-
diff --git a/seminar/views/views_all.py b/seminar/views/views_all.py
index aa34837f..a0bcfb5f 100644
--- a/seminar/views/views_all.py
+++ b/seminar/views/views_all.py
@@ -21,7 +21,6 @@ import seminar.models as m
 from seminar.models import Problem, Cislo, Reseni, Nastaveni, Rocnik, Soustredeni, Organizator, Resitel, Novinky, Soustredeni_Ucastnici, Pohadka, Tema, Clanek, Osoba, Skola # Tohle je stare a chceme se toho zbavit. Pouzivejte s.ToCoChci
 #from .models import VysledkyZaCislo, VysledkyKCisluZaRocnik, VysledkyKCisluOdjakziva
 from seminar import utils, treelib
-from .unicodecsv import UnicodeWriter
 from seminar.forms import PrihlaskaForm, LoginForm, ProfileEditForm
 import seminar.forms as f
 
@@ -1056,10 +1055,11 @@ def soustredeniUcastniciExportView(request,soustredeni):
 	response = HttpResponse(content_type='text/csv')
 	response['Content-Disposition'] = 'attachment; filename="ucastnici.csv"'
 
-	writer = UnicodeWriter(response)
+	writer = csv.writer(response)
 	writer.writerow(["jmeno", "prijmeni", "rok_maturity", "telefon", "email", "ulice", "mesto", "psc","stat"])
 	for u in ucastnici:
-		writer.writerow([u.jmeno, u.prijmeni, str(u.rok_maturity), u.telefon, u.email, u.ulice, u.mesto, u.psc, u.stat.name])
+		o = u.osoba
+		writer.writerow([o.jmeno, o.prijmeni, str(u.rok_maturity), o.telefon, o.email, o.ulice, o.mesto, o.psc, o.stat.name])
 	return response